<template>
  <div class="ratingselect">
    <div class="rating-type border-1px">
      <span class="block positive" :class="{'active': selectType === 2}" @click="select(2, $event)">{{desc.all}} <span
        class="count">{{ratings.length}}</span></span>
      <span class="block positive" :class="{'active': selectType === 0}"
            @click="select(0, $event)">{{desc.positive}} <span class="count">{{positives.length}}</span></span>
      <span class="block negative" :class="{'active': selectType === 1}"
            @click="select(1, $event)">{{desc.negative}} <span class="count">{{negatives.length}}</span></span>
    </div>
    <div class="switch" :class="{'on': onlyContent}" @click="toggleContent">
      <i class="icon-check_circle"></i>
      <span class="text">只看有内容的评价</span>
    </div>
  </div>
</template>

<script>
  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;

  export default{
    props: {
      ratings: {
        type: Array,
        default() {
          return [];
        }
      },
      selectType: {
        type: Number,
        default: ALL
      },
      onlyContent: {
        type: Boolean,
        default: false
      },
      desc: {
        type: Object,
        default() {
          return {all: '全部', positive: '满意', negative: '不满意'};
        }
      }
    },
    computed: {
      positives() {
        return this.ratings.filter(function (rating) {
          return rating.rateType === POSITIVE;
        });
      },
      negatives() {
        return this.ratings.filter(function (rating) {
          return rating.rateType === NEGATIVE;
        });
      }
    },
    methods: {
      select(type, event) {
        if (!event._constructed) return;
        this.$parent.$emit('ratingtype.select', type);
      },
      toggleContent(event) {
        if (!event._constructed) return;
        this.$parent.$emit('content.toggle', !this.onlyContent);
      }
    }
  };
</script>

<style lang="scss">
  @import "../../common/sass/mixin";

  .ratingselect {
    .rating-type {
      padding: 18px 0;
      margin: 0 18px;
      @include border-1px(rgba(7, 17, 27, .1));
      font-size: 0;
      .block {
        display: inline-block;
        padding: 8px 12px;
        border-radius: 2px;
        line-height: 16px;
        margin-right: 8px;
        color: rgb(77, 85, 93);
        font-size: 12px;
        &.active {
          color: #fff;
        }
        .count {
          margin-left: 2px;
          font-size: 8px;
        }
        &.positive {
          background: rgba(0, 160, 220, .2);
          &.active {
            background: rgb(0, 160, 220);
          }
        }
        &.negative {
          background: rgba(77, 85, 93, .2);
          &.active {
            background: rgb(77, 85, 93);
          }
        }
      }
    }
    .switch {
      padding: 12px 18px;
      font-size: 12px;
      border-bottom: 1px solid rgba(7, 17, 27, .1);
      color: rgb(147, 153, 159);
      &.on {
        .icon-check_circle {
          color: #00c850;
        }
      }
      .icon-check_circle {
        display: inline-block;
        vertical-align: -6px;
        margin-right: 4px;
        font-size: 24px;
      }
      .text {
        font-size: 12px;

      }
    }
  }
</style>
